CODE EXAMPLE FOR CSHARP

clamp vector3 unity

private Vector3 Clamp(Vector3 value, Vector3 min, Vector3 max)
{
  float x = Mathf.Clamp(value.x, min.x, max.x);
  float y = Mathf.Clamp(value.y, min.y, max.y);
  float z = Mathf.Clamp(value.z, min.z, max.z);
  return new Vector3(x, y, z);
}